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Q. Illustrate the Model for Network Security?
- A message is transferred from one party (Principal) to another.
- A logical information channel is founded between the two Principals by the cooperative use of some protocol example- TCP/IP.
- Goal is to offer the secure transmission of information from Opponents.
- A trusted third-party perhaps needed for secure transmissions.
a) Assume that the time required to transmit one packet (i.e. the packet length divided by link data rate) is 10ms and the Round Trip Time (from Source to Destination and back) is
Twisted Pair Cable Twisted pair cable consists of two insulated copper wires each about 1 mm thick arranged in a regular spiral pattern. The wires are twisted together
What is Ring Topology? The physical ring topology is a circular loop of point-to-point links. Every device connects directly to the ring or indirectly by and interface device o
What is Feasibility condition (FC)?
Line Layer The line layer provides the synchronization multiplexer, multiplexing and automatic protection switching for the layer . primary concerned with the reliable trans
Radio Waves - Frequency ranges: 3 KHz to 1 GHz - Omni directional - Susceptible to interference by other antennas utilizing same frequency or band - Ideal for long-di
In 3-tier Client/Server systems, the application logic (or process) lives in the middle tier and it is removed from the data and the user interface. In theory, the 3-tier Client/Se
There are two dominant forms of building distributed systems: client-server systems, i.e. systems in which one machine acts as a server and act as clients; and peer-to-peer systems
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Flash It is also permanent storage device. It stores the compressed form of Cisco IOS software image and the NVRAM data. Device structure One flash socket Support 80
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